1-7. HIGH ALTITUDE TUNING To attain the best performance in high altitude c o nditions, carefully tune the sn o wmobile as o ut - lined below.
Confirm STD s ett i ng s Carbur e t o r (Page 3- 4 ) Igni t ion t iming (Page 6 -4) Adjust main jet size according to the chart i ( Page 3- 4 ) i S p ark plug ( Page6i7 ) Test main jet size Ii (performance& plug colour) -- Not OK Adjust main jet size ( Page 3-9 ) vl OK_ I Re - test I r_ ] I T e st l o w s peed setti n g ]_ O K No t O K I [ J ' Not O K O K / r 1l I_/ Check to s e e if g e aring i s too high or low 14 I i Try high al t itude se tt ings l I I I OK NotOK.L Not OK OK _ I I IL Adjust gearing as required and adju st acc o rd i ngly I I OK Not OK D e c ide if pr o b l em is s low jet Not OK OK Check engagement speed and T ( P age 4 -19 ) I_ shift performance I I_ H i0.
o,t,.u0 Not OK OK tuning OK I _. Adjust primary clutch as required I (Page 4-2) I i L Not OK OK---- IPage 4-2) OK- 1-9